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Finding the Fourth Proportional to 66,805.10, 100,216.88 and 22,444.54

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Solution

The fourth proportional to 66,805.10, 100,216.88 and 22,444.54 is: 33,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,805.10 : 100,216.88 = 22,444.54 : x
  2. Step 2: Convert to fraction form
    66,805.10/100,216.88 = 22,444.54/x
  3. Step 3: Cross multiply
    66,805.10x = 100,216.88 × 22,444.54
  4. Step 4: Simplify right side
    66,805.10x = 2,249,321,771.84
  5. Step 5: Solve for x
    x = 2,249,321,771.84/66,805.10
  6. Step 6: Final answer
    x = 33,669.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.